The M374A2 and M374A1 cartridges are fitted with the M90A1 propelling charge. The M1 became the standard American . LARGE DEFLECTION AND ELEVATION CHANGES. Additionally, they carry the 81mm M252 mortar that can only be used in a dismounted capacity. .50: BALL, M2 (S&I BY PROP SEE DETAILS, FOOTNOTES), FIRING TABLES FOR WEAPON, 5.56MM, M16A1 WEAPON, 5.56MM, M16A2 WEAPON, 5.56MM, M249 AND WEAPON, 5.56MM, M4 FIRING CARTRIDGE, BALL, M855 CARTRIDGE, TRACER, M858 CARTRIDGE, BALL, M193 CARTRIDGE, TRACER, M196 (S&I BY PROP SEE DETAILS, FOOTNOTES), MACHINE GUN, 7.62-MM: M60 ON MOUNT, MACHINE GUN: 7.62-MM, M122 AND MACHINE GUN, 7.62-MM: M73 ON TANK, COMBAT, FULL-TRACKED: 105-MM GUN, M60 SERIES AND RIFLE, 7.62-MM: M14; FIRING CARTRIDGE, 7.62-MM, BALL, NATO, M59; CARTRIDGE, 7.62-MM, BALL, NATO, M80; CARTRIDGE, 7.62-MM: AP, NATO, M61 AND CARTRIDGE, 7.62-MM: TRACER, NATO, M62 (REPRINTED W/BASIC INCL C1) (S&I BY PROP SEE DETAILS, FOOTNOTES), ADDENDUM TO FT 8-Q-1 FOR PROJECTILE, HE, M404 (S&I BY PROP SEE DETAILS, FOOTNOTES), ADDENDUM TO FT 8-J-4 FOR PROJECTILE, HE, M404 (S&I BY PROP SEE DETAILS, FOOTNOTES), ADDENDUM TO FT 8-T-1 FOR PROJECTILE, HE: M509A1 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER, M201A1 ON HOWITZER, HEAVY, SELF-PROPELLED, 8-INCH, M110A2 FOR LOW ANGLE FIRING PROJECTILE, HE, M509A1 USING REGISTRATION DATA FOR PROJECTILE, HE, M106 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER: M2 AND M2A1 ON HOWITZER, HEAVY, TOWED: 8-INCH, M115; CANNON, 8-INCH HOWITZER: M47 ON HOWITZER, HEAVY, SELF-PROPELLED, FULL TRACKED: 8-INCH, M55; CANNON, 8-INCH HOWITZER: M2A1E1 ON HOWITZER, HEAVY, SELF-PROPELLED: 8-INCH, M110; FIRING PROJECTILE, HE: M106 AND PROJECTILE, CHEMICAL: M426 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER, M201 ON HOWITZER, HEAVY, SELF-PROPELLED: 8-INCH, M110A1 AND CANNON, 8-INCH HOWITZER, M201A1 ON HOWITZER, HEAVY, SELF-PROPELLED: 8-INCH, M110A2 AND FIRING PROJECTILE, HE, M106 PROJECTILE, CHEMICAL, M426 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER: M201A1 ON HOWITZER, HEAVY, SELF-PROPELLED, 8-INCH, M110A2; FIRING PROJECTILE, HE, RA; M650 AND PROJECTILE, ATOMIC: M753 AND M753A1 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 8-INCH HOWITZER, M201A1 ON HOWITZER, HEAVY, SELF-PROPELLED: 8-INCH, M110A2 FIRING PROJECTILE, HE, M509A1 (S&I BY PROP SEE DETAILS, FOOTNOTES), CANNON, 14.5-MM GUN, M31; ARTILLERY TRAINER FIRING FUZED CARTRIDGES, M181, M182 AND M183 (S&I BY PROP SEE DETAILS, FOOTNOTES), GUN, 20-MM, AUTOMATIC, M139; FIRING CARTRIDGE, 20-MM, HEIT, M599; CARTRIDGE, 20-MM, TPT, M206 AND CARTRIDGE, 20-MM, APIT, M601 (S&I BY PROP SEE DETAILS, FOOTNOTES), FIRING TABLES FOR CANNON, 25MM GUN, M242 ON INFANTRY FIGHTING VEHICLE, M3 FIRING CARTRIDGE, APDS-T, M791 CARTRIDGE, HEI-T, M792 CARTRIDGE, TP-T, M793 CARTRIDGE, TPDS-T, M910 (S&I BY PROP SEE DETAILS, FOOTNOTES), GUN, AUTOMATIC, 40-MM, M1 AND GUN, DUAL AUTOMATIC, 40-MM, M2; FIRING CARTRIDGE, HE-T, SD, MK 2 WITH FUZES, PD, MK 27, M64A1, M71 OR NO. In addition to supervising the emplacement, laying, and firing of the mortar, he supervises all other squad activities. M1129 Mortar Carrier - Wikipedia They use the M5 propelling charge that consists of eight cloth bags attached to the tail unit. During firing, the breech plug on the barrel is sealed and locked to the rotatable socket in the baseplate. This may preclude moving the bipod. e. Care, Handling, and Preservation. These cartridges are used first in subsequent firing so that once-opened stocks can be kept to a minimum. The fuze body is graduated from 0 to 50 seconds in 2-second intervals; 10-second intervals are indicated by bosses. .50: BROWNING, M2 (HEAVY BARREL, FLEXIBLE) ON MOUNT, MACHINE GUN, TRIPOD MTD, CAL. The safety wire must be removed before firing. He maintains the ammunition for firing and provides local security for the mortar position. The barrel clamps are then closed. Barrel (with blast attenuator device) e. The gunner centers the elevation bubble. The mortar is then re-laid on the aiming posts using the traversing crank. ) or https:// means youve safely connected to the .gov website. He levels all bubbles. The same procedure for aligning the far aiming post is used to align the near aiming post. Ammunition Lot Number. No tools are needed to set the fuze, and the setting can be changed several times without damaging the fuze. (3) From this train, extend a starting train that will burn against the wind of single increments laid end to end. M252A1 81mm Mortar: Maximum Range (meters): 5,935; Ammunition: War reserve HE (M821A3), red phosphorus smoke (M819), visible light illumination (M853A1), infrared illumination (M816), war reserve and training HE (M889A4), and FRP . e. The pull wire and safety wire are removed from the fuze just before firing. He ensures that the firing pin recess is facing upwards. Mortar Weapon Systems - USAASC The striker has been modified to be able to use German and Italian patterns of 81mm mortar . The cartridge weighs about 9.12 pounds. It can provide all-weather, ground-based, close supporting, accurate, immediately Baseplate placed against baseplate stake. The gunner checks the baseplate and ensures that--. c. Crest Clearance. One-quarter turn on the adjusting nut equals one turn of the traversing handwheel. The leg-locking handwheel must then be tightened by hand, ensuring the teeth on either side are correctly meshed. . Red phosphorus cartridges (M252 only) are stored the same as HE cartridges. (1) Marking on container. Tabulated data. It is especially useful if the baseplate sinks deep into the ground during prolonged firing. If the situation allows for a longer waiting period, the dud can be considered safe for handling after 40 hours. They are painted light green with red markings and one narrow yellow band. The fuze is set manually to proximity, point detonate, or delay modes. Additional information is included on an ammunition data card inside each container. The first ammunition bearer shakes the barrel to dislodge any remnants from the last round fired, and he lowers the barrel into the rotating socket of the baseplate. System (including basic issue items) It is light enough to be portable when broken down into. The body is made of aluminum and brass. The RSTA squadron only receives the 120mm mounted mortar, there is no augmentation dismounted maneuvers. The M252 is highly accurate up to ranges of 4500m to 5700m depending on the 0.30, BROWNING, M1919A4, M1919A5 AND M1919A6 {TO 39A-5 AF-32} (S&I BY PROP SEE DETAILS, FOOTNOTES), GUN, MACHINE, CAL. Red phosphorus/white phosphorus is used for screening, producing casualties, creating incendiary effects, and signaling. The following safety checks must be enforced before firing the mortar. He places the sight case and aiming posts to the left front of the mortar position. .50 MACHINE GUN, M55 AND MACHINE GUN, CAL. (1) The M772A1 fuze is a MTSQ. a. Point-Detonating. The mortar is within two turns of center of traverse. The M375 cartridge uses the M90 propelling charge while the M375A2 and M375A1 cartridges use the M90A1 propelling charge. The safety/packing clip should be removed when the cartridge is unpacked. He makes large deflection shifts by shifting the bipod assembly and keeps the bubbles level during firing. a. b. He opens the cross-level handwheel, traversing handwheel, and barrel clamp. Indirect Fire The gunner is given a deflection change in a fire command between 20 and 60 mils inclusive. Red phosphorus rounds can be fired from the M29/M29A1 at a reduced charge (maximum charge = charge 2). When the gunner is satisfied with his sight picture he announces, "Up.". He releases the securing strap, loosens the leg-locking handwheel, and lowers the plain leg until the locating catch engages in the recess. The sight is laid on two aiming posts (placed out 50 and 100 meters from the mortar) on a referred deflection of 2800 mils and an elevation of 1100 mils. High angles of approach (near vertical) give the lowest burst heights. (See FM 7-90 for a discussion of the duties of the platoon headquarters.). c. Upon receiving the command REFER, REALIGN AIMING POST, two actions take place at the same time in the mortar squad. Its range and explosive power is greater than the M224, yet it is still light enough to be man . During training, the gunner may use the driving stake from the aiming post case. . Fort Belvoir, VA 22060 (2) The fin and fuze assembly must be checked for tightness and damage. The squad leader stands behind the mortar where he can command and control his squad. He exposes 4 inches (100 millimeters) of elevation shaft and folds the handle. Figure 4-4. The 81mm Mortar - The David of Modern Warfare | SOFREP M327 mortar is an extended range mortar system operated by Marine Corps Artillery Units. An internal clock mechanism provides nine seconds of safe air travel (610 to 2,340 meters along trajectory for charge 0 through 9, respectively). The M532 fuze is a radio doppler fuze that has a proximity (PROX) or SQ/IMP function. (2) The breech plug is screwed tightly to the barrel. Standard A ammunition for the M29A1 mortar is Standard B for the M252 mortar (, Light green Yellow band with red markings. The gunner should expose 6 inches (150 millimeters) of elevation shaft and center the buffer carrier. However, at temperatures above 32 degrees Fahrenheit and at angles greater than 1068 mils, the flight time is sufficient to permit arming. 60mm, 81mm, and 120mm Mortar Increments with Ball Powder Propellants The fuze is not intended to function at charge 0. A safety latch located at the side of the recess is used to secure the ball. When the fuze of the misfired round reaches the BAD, the assistant gunner stops the round with his thumbs (he does not touch the fuze) and carefully removes it from the barrel. Types of rounds, classification, and characteristics for the 81-mm mortar, M29A1 (Standard B for the 81-mm mortar, M252). . He exposes 1 inch (25 millimeters) of cross-level shaft and folds the handle. The fuze setter, M25, sets M84-series time fuzes. He places his thumbs alongside the forefingers, being careful to keep both hands away from the muzzle. The company level vehicles also carry a vehicle-mounted 120mm mortar, which is augmented by the 60mm M224 mortar for dismounted use. The cartridge uses the M205 propelling charge and is assembled with the M567 or M524-series fuze. 81mm L16 | Weaponsystems.net d. The gunner rough levels the cross-level bubble by making the bubble bounce from one side to the other. With the mortar mounted and the sight installed, the gunner lays the sight on the two aiming posts (placed out 50 and 100 meters from the mortar) on a referred deflection of 2800 mils and an elevation of 1100 mils. The M252 medium mortar offers a compromise between the light and heavy mortars. After the barrel cools, the gunner removes the sight and firing pin. a. If the line of sight clears the mask, it is safe to fire. (d) Firing is slowed if mask clearance must be checked before each firing but this can be eliminated if minimum mask clearance is determined. Swifty 3 from scratch; Swifty 3 split-repo setup; Swifty Troubleshooting; Mods. M252 mortar - Wikipedia d. Multioption. The M853 and M301A3 illuminating ammunition are described herein. Trenches are dug to prevent water from flowing under the pile. Weights (pounds) System (including basic issue items) Barrel (with blast attenuator device) Mount M3A1 Baseplate Tabular Firing Tables TFT ORDER FORM 1.Select "Mortar" 2.Select which mortar caliber 3.Select mortar system nomenclature 4.Select which TFTs to order 5.Put in quantity and click "Add TFTs" 6.Click "Next" TFT JUSTIFICATION 1.Put in TFT Ordering Justification 2.Click "Next" SHIPPING INFORMATION 1.Fill out all required fields Range Minimum to maximum 83 to 5,608 meters Rate of Fire . Fuze, PD, for 81mm mortar rounds, Italy, WWII, inert PDF Introduction to Crew Served Weapons B3m4078 Student Handout When targets are beyond such irregularities, a clearance of at least 30 meters should be allowed to ensure maximum effect over the target area. The mortar also offered the promised increase in range as well, allowing fire teams to engage the enemy at distance. The M751 fuze is the only dummy fuze used with the 81-mm mortar. (c) The gunner determines mask and overhead clearance by sighting along the barrel with his eye near the breech plug. Safety before firing is provided by a safety wire, which must be removed just before firing. The Marines' Trusty Mortar Is Getting a Major Upgrade - Popular Mechanics The components of the mortar consist of a canon, sight, mount, and baseplate. The first table is a chart that shows range and elevation for firing particular mortar shells. 0.50, M8 (REPRINTED W/BASIC INCL C1-2) (S&I BY PROP SEE DETAILS, FOOTNOTES), FIRING TABLES FOR MACHINE GUN, CALIBER .50: BROWNING, M2 (HEAVY BARREL, TURRET TYPE) ON MOUNT, MACHINE GUN, TRAILER MOUNTED: MULTIPLE CALIBER .50 MACHINE GUN, M55 FIRING CARTRIDGE, CALIBER .50: API, M8 (S&I BY PROP SEE DETAILS, FOOTNOTES), FIRING TABLES FOR MACHINE GUN, CALIBER .50: FICED, M85 TANK, COMBAT, FULL TRACKED: 105MM GUN, M60 SERIES FIRING CARTRIDGE, CALIBER .50: API, M8 CARTRIDGE, CALIBER .50: API-T M20 CARTRIDGE, CALIBER .50: BALL, M33 CARTRIDGE, CALIBER .50: TRACER, M17 (S&I BY PROP SEE DETAILS, FOOTNOTES), MACHINE GUN, CAL. c. The assistant gunner stands to the right of the mortar, facing the barrel and ready to load.
Ramapo High School Alumni,
Kendall Glazer Family,
Lashon Brooks Mvsu,
Articles OTHER